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Siemens BQD Series BQD120

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BQD120

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The Siemens BQD120 circuit breaker is designed for robust performance in electrical applications. This unit is rated for a current of 20 Amps and operates with a voltage capacity of 277 Volts AC. It features a Type B trip curve, adding versatility for various operational contexts.

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Technical specifications for BQD120

ManufacturerSiemens
Product TypeCircuit Breaker
Product LineBQD Series
Part NumberBQD120
UPC783643277090
Weight1.00 lbs (0.45 kg)
Pole1 Pole
Rated Current20 Amps
Voltage Rating277 Volts AC
Interrupting Capacity14 kA
Trip Curve TypeType B
Frequency60 Hz
MountingPlug-in type
Terminal TypeScrew-type terminals
Terminal Torque2.8 Nm
Operating Temperature Range-40°C to +70°C
Wire Size14 AWG
Trip RangeThermal Magnetic
HandleToggle switch with ON, OFF, and TRIP positions

The BQD120 model from Siemens is a compact circuit breaker tailored for various electrical distribution systems. It is configured as a single pole device, providing reliable protection with a rated current of 20 Amps. This circuit breaker can handle voltages up to 277 Volts AC, making it suitable for a wide range of applications.

This unit boasts an interrupting capacity rated at 14 kA, ensuring it can effectively manage short circuit conditions as per safety standards. It features a Type B trip curve, which is applicable for general duty loads. Operating on a standard frequency of 60 Hz, it fits seamlessly into most electrical systems.

Mounting is simplified with the plug-in design, facilitating quick installation. The physical dimensions include a width of 1 inch, a height of 3.5 inches, and a depth of 2.5 inches, conducive for compact installations.

Connections are made through screw-type terminals that allow for wire sizes up to 14 AWG. For secure attachment, a terminal torque of 2.8 Nm is recommended. The circuit breaker operates within an environmental temperature range from -40°C to +70°C, accommodating diverse settings. The trip mechanism is thermal magnetic, providing reliable operation under various load conditions.

Controls include a toggle switch handle positioned for ON, OFF, and TRIP modes, catering to easy manual operation and reset capability.